fixes #1464

app/models/user.rb

@@ -583,6 +583,10 @@ class User < ActiveRecord::Base
         q = q.where("level >= ?", params[:min_level].to_i)
       end
 
+      if params[:max_level].present?
+        q = q.where("level <= ?", params[:max_level].to_i)
+      end
+
       if params[:level].present?
         q = q.where("level = ?", params[:level].to_i)
       end

app/views/users/search.html.erb

@@ -13,6 +13,11 @@
         <%= select("search", "min_level", [""] + User.level_hash.to_a) %>
       </div>
 
+      <div class="input">
+        <label for="search_max_level">Max Level</label>
+        <%= select("search", "max_level", [""] + User.level_hash.to_a) %>
+      </div>
+
       <div class="input">
         <label for="search_order">Order</label>
         <%= select("search", "order", [["Join date", "date"], ["Name", "name"], ["Upload count", "post_upload_count"], ["Note count", "note_count"], ["Post update count", "post_update_count"]]) %>